Two fixes for CheckTransparency. First, don't start checking from
authorRobin Dunn <robin@alldunn.com>
Tue, 29 Jul 2003 18:47:38 +0000 (18:47 +0000)
committerRobin Dunn <robin@alldunn.com>
Tue, 29 Jul 2003 18:47:38 +0000 (18:47 +0000)
commite45cc23511d0488774a00b1693aaa6881f37dfb6
tree6db4d7d2c156818996f1dcd0f95bbdc6e348f2cb
parentc6151f2a94c8851e712755839106707a863c5449
Two fixes for CheckTransparency.  First, don't start checking from
(x+1,y) since you don't know if (x,y) is transparent or not.  Second,
use x*(numColBytes+1) instead of just x to offset into the first
line.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22368 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
src/common/imagpng.cpp